Rochester and Strood was polluted by sewage 306 times in 2023
lasting 1,118 hours
- but monitoring was disabled in some locations, so could be more

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Rochester and Strood in 2023
19 Sites polluted by Southern Water
306 sewage dumps
1,118 h duration
That's 1.55 months. 5.9 times a week, on average
Change Over Time
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Pollution Summary 2023

Here are all the reported sewage overflow totals for Rochester and Strood in 2023. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 1 of the total 25 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Southern Water Tidal Estaury Of River Medway CORPORATION ST ROCHESTER NO 2 CSO 26 461 76.2
Southern Water River Medway Estuary HOO WWPS 20 145 98.6
Southern Water Tidal River Medway BRYANT ROAD STROOD 23 139 99.8
Southern Water River Medway Estuary CHATHAM HILL OUTSIDE 425 CSO 44 80 44
Southern Water Whitewall Creek WHITEWALL CREEK WWTW 6 76 99.9
Southern Water River Medway Estuary CLOVER STREET CHATHAM CSO 66 66 78.6
Southern Water Tidal Estuary Of River Medway NORTHGATE ROCHESTER CSO 34 50 97.5
Southern Water River Medway Estuary BRAMBLETREE CRESCENT BORSTAL CEO 13 25 100
Southern Water Medway Estuary GRAIN WWTW 17 16 99.9
Southern Water River Medway Estuary FURRELLS ROAD, ROCHESTER CSO 21 14 100
Southern Water Medway Estuary FRINDSBURY ROAD STROOD CSO 4 14 52.2
Southern Water River Medway DOCK ROAD GILLINGHAM CSO 10 10 47.1
Southern Water River Medway Estuary VICARAGE ROAD STROOD WPS 7 9 99.9
Southern Water River Medway CSO AT GODDINGTON ROAD STROOD 6 3 47.9
Southern Water Tidal River Medway CUXTON COMBINED EMERGENCY OVERFLOW 1 2 100
Southern Water Medway Estuary CHARLES STREET STROOD CSO 2 0 93.8
Southern Water Saline Estuary NEW BROOK PUMPING STATION 4 0 100
Southern Water River Medway Estuary HIGH STREET ROCHESTER CSO 1 0 17.9
Southern Water River Medway CASTLE HILL ROCHESTER CSO 1 0 58.3
Southern Water River Medway ROCHESTER AVENUE ROCHESTER CSO 0 0 0
Southern Water River Medway NORTH HALLING WWPS 0 0 100
Southern Water River Medway Estuary GROVE ROAD STROOD CSO 0 0 76.3
Southern Water Cliffe Creek MARSH LANE CLIFFE CEO 0 0 100
Southern Water River Medway Estuary CORPORATION STREET ROCHESTER CEO 0 0 50.4
Southern Water Tidal River Medway MARSH ROAD, HALLING COMBINED EO 0 0 99.8

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. This uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.